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H Zou… - Jisuanji Yingyong yu Ruanjian, 2011 - csa.com
Contour line is an important tool in spatial data analysis and has been applied in various
projects. An algorithm of drawing contour line based on triangular block stitching model is presented
in this article, which uses the classical algorithm thought of dividing and ruling as the ...
HE Huai-qing… - Journal of Computer Applications, 2011 - en.cnki.com.cn
By analyzing the principle and the existing problems in the ray method and the extreme coordinate
value method,the existing algorithms which determined contour direction were simplified.Then
an improved algorithm on the contour line position relation was proposed combining the ...
Related articles - Cached
J Bar-Sagi - US Patent 7,925,052, 2011 - Google Patents
... Contour line deviations in a series of images of a far object are evaluated by performing a spatial
discrete fourier transform (DFT) on deviations within each image, and subsequently a time discrete
fourier transform (DFT) on the Fourier coefficients obtained by the spatial DFT, to ...
Related articles - All 3 versions
[PDF] from uni-stuttgart.deHJ Tiziani - 2011 - elib.uni-stuttgart.de
... For A, = 520,83 nm and A~= 530,87 nm contour line separations of 13,9 ~m are obtained as can
be seen from fig. ... pig. " Result of a quasi real time con- touring of a coin by using ~l ~ 520,83 nm
and >"2 - 530,87 nm leading to a contour line separation of 13,9 um o.od, lOst' !Wod ...
Cited by 13 - Related articles - All 5 versions
A Kirsch, F Jetzek - US Patent 7,903,862, 2011 - Google Patents
... Springer-Verlag 2003]. A known method for calculating local gradients in a dis- crete space
is the use of an isosceles triangle that is moved along the contour line to be analyzed. The
commensurate legs are indicated by the vectors a and b in FIG. ...
Related articles - All 4 versions

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